CN111121421A - Double-layer original recycled aggregate integrated drying equipment and method - Google Patents
Double-layer original recycled aggregate integrated drying equipment and method Download PDFInfo
- Publication number
- CN111121421A CN111121421A CN202010032683.4A CN202010032683A CN111121421A CN 111121421 A CN111121421 A CN 111121421A CN 202010032683 A CN202010032683 A CN 202010032683A CN 111121421 A CN111121421 A CN 111121421A
- Authority
- CN
- China
- Prior art keywords
- aggregate
- opening
- primary
- flue gas
- flame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001035 drying Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000003546 flue gas Substances 0.000 claims abstract description 70
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 69
- 239000007789 gas Substances 0.000 claims abstract description 67
- 239000000779 smoke Substances 0.000 claims abstract description 27
- 239000010815 organic waste Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims description 19
- 239000000428 dust Substances 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 17
- 230000008929 regeneration Effects 0.000 claims description 14
- 238000011069 regeneration method Methods 0.000 claims description 14
- 235000019504 cigarettes Nutrition 0.000 claims description 11
- 239000010426 asphalt Substances 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000005204 segregation Methods 0.000 claims description 2
- 238000010981 drying operation Methods 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0404—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried
- F26B11/0413—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried the subdivision consisting of concentric walls, e.g. multi-pass or recirculation systems; the subdivision consisting of spiral-shaped walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0463—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
- F26B11/0477—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum
- F26B11/0486—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum the elements being held stationary, e.g. internal scraper blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
- Road Paving Machines (AREA)
Abstract
The invention relates to the technical field of aggregate drying equipment, in particular to double-layer original recycled aggregate integrated drying equipment and a method. The equipment comprises an outer cylinder body, an inner cylinder body and a burner, wherein the outer cylinder body comprises a flame section and a flue gas section, a first opening is formed in one end, facing the flame section, of the inner cylinder body, a second opening is formed in the other end of the inner cylinder body, a third opening is formed between the first opening of the inner cylinder body and the inner wall of the outer cylinder body, flue gas can enter the outer cylinder body from the first opening and the third opening, a second flue gas outlet is formed in the outer cylinder body, and the second flue gas outlet is communicated into the flame section through a smoke returning pipe. The equipment realizes the primary and recycled aggregate drying operation through a set of equipment; tail gas containing organic waste gas generated by drying the recycled aggregate is combusted in the internal circulation process of the equipment, so that the tail gas emission is ensured to reach the standard; and the tail gas circulation simultaneously realizes the secondary utilization of heat, improves the heat utilization rate and realizes energy conservation and emission reduction.
Description
Technical Field
The invention relates to the technical field of aggregate drying equipment, in particular to double-layer original recycled aggregate integrated drying equipment and a method.
Background
The asphalt mixture is a mixture formed by mixing mineral aggregate and asphalt binder. According to the source of the mineral aggregate, the raw aggregate and the recycled aggregate are mainly used. Because the characteristics of the primary aggregate and the recycled aggregate are different, the primary aggregate and the recycled aggregate are generally dried respectively through two rollers, so that more supporting equipment is required, and the effective utilization rate of the equipment is low.
In order to solve the problems, the chinese patent with application publication number CN 103103908A discloses an asphalt mixture drying roller, which comprises a barrel body, a support, a driving device and a burner, wherein the barrel body is arranged on the support through the driving device and can drive the barrel body to rotate on the support, the burner is connected with the barrel body and is used for heating the inside of the barrel body, and the drying roller is characterized in that: the barrel erects on the support, and forms the height that is of certain contained angle with the horizontal plane and arranges, and the higher end of barrel is the feed end, and lower end is the discharge end, the barrel includes interior barrel and outer barrel, and feed end and the discharge end of interior barrel and outer barrel have opened feed inlet and discharge gate respectively, are formed with the material cavity that holds the pitch material between interior barrel and the outer barrel, and the discharge gate of interior barrel does not communicate with this material cavity. In the existing drying roller, a double-layer structure is adopted to form two material drying cavities, the primary aggregate and the recycled aggregate are dried in the two material drying cavities respectively, hot flue gas is discharged after sequentially passing through an inner barrel and an outer barrel, and the primary aggregate and the recycled aggregate are treated by a single barrel simultaneously; because the recycled aggregate contains the pitch, can produce poisonous green cigarette and viscidity organic waste gas among the stoving process, because equipment has integrated the processing of primary aggregate and recycled aggregate, consequently the tail gas volume is big and dust content is many, and this kind of mixed tail gas produces great treatment pressure to follow-up dust remover, and the dust remover is short-lived and the problem that the exhaust emission does not reach standard can take place probably.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a double-layer original recycled aggregate integrated drying device and method.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides an integrative drying equipment of former regeneration aggregate of double-deck, includes outer barrel, interior barrel, combustor, interior barrel is located the urceolus and internal and along with outer barrel synchronous rotation, its characterized in that: the combustor with outer barrel both ends are located respectively to interior barrel, and outer barrel includes flame section and flue gas section, and the flame scope of combustor forms in outer barrel the flame section, interior barrel is located the flue gas section, first opening has been seted up at the one end of interior barrel towards the flame section, and the other end is equipped with the second opening, form the third opening between the first opening of interior barrel to the internal wall of urceolus, the flue gas can be got into by first opening and third opening, be equipped with in the second opening at native aggregate feed inlet, first exhanst gas outlet, be equipped with regeneration aggregate feed inlet, regeneration aggregate discharge gate, second exhanst gas outlet on the flue gas section of outer barrel, the second exhanst gas outlet communicates to in the flame section through the return smoke pipe.
Further, still include flue gas separation end socket, dust remover, outer barrel one end is located to the flue gas separation end socket, and the exit linkage of flue gas separation end socket is to the dust remover, flue gas separation end socket includes alternate segregation's exhaust passage and time cigarette passageway, first exhanst gas outlet is connected to exhaust passage, second exhanst gas outlet is connected to time cigarette passageway, time cigarette passageway and flame section are connected to the time cigarette pipe, be equipped with the draught fan on the time cigarette pipe.
Furthermore, the smoke exhaust channel is provided with a damper at the outlet.
Further, the length of the inner cylinder is shorter than that of the outer cylinder.
Further, still include primary aggregate feeding belt, primary aggregate feeding downward slope, primary aggregate feeding belt carries primary aggregate to primary aggregate feeding downward slope, primary aggregate feeding downward slope one end extends to the second opening middle part of interior barrel and forms primary aggregate feed inlet, and primary aggregate feed inlet area is less than second open area, makes the outer second open part of primary aggregate feed inlet form first exhanst gas outlet, outer barrel is equipped with primary aggregate discharge gate in the one end of flame section.
Further, the inner wall of the inner cylinder body is sequentially provided with a primary aggregate pushing spiral blade, a primary aggregate lifting blade and a primary aggregate discharging blade from the second opening to the first opening, a primary aggregate returning spiral blade and a primary aggregate flame zone blade are sequentially arranged in the flame zone of the outer cylinder body from the third opening to the primary aggregate discharging opening, and the primary aggregate returning spiral blade receives primary aggregate sent by the primary aggregate discharging blade.
Furthermore, the recycled aggregate discharge hole is positioned on one side of the primary aggregate return helical blade and below the inner cylinder.
And furthermore, the device also comprises a recycled aggregate feeding belt, wherein the recycled aggregate feeding belt conveys recycled aggregate to the recycled aggregate feeding hole, and a recycled aggregate pushing spiral blade and a recycled aggregate lifting blade are sequentially arranged on the flue gas section of the outer cylinder body from the recycled aggregate feeding hole to the recycled aggregate discharging hole.
A double-layer original recycled aggregate integrated drying method is based on any one of the above-mentioned double-layer original recycled aggregate integrated drying equipment, and is characterized in that: the method comprises the following steps:
and (3) drying the recycled aggregate: the outer cylinder rotates, the recycled aggregate enters the outer cylinder through a recycled aggregate inlet, and the recycled aggregate passes through a smoke section of the outer cylinder along with the rotation process of the outer cylinder and then is sent out from a recycled aggregate outlet; in the process, hot flue gas generated by the combustor enters the flue gas section of the outer cylinder through the third opening to heat the recycled aggregate, and the recycled aggregate contains asphalt components, so that tail gas containing organic waste gas is generated in the heating process, and the tail gas containing the organic waste gas is sent out from the second flue gas outlet, enters the smoke return pipe and is sent to the flame section of the outer cylinder; at the flame section, organic waste gas in the tail gas is subjected to combustion treatment by the flame of the combustor, a part of the treated tail gas enters the flue gas section again from the third opening along with hot flue gas to heat the regenerated aggregate, so that secondary utilization of heat is realized, and a part of the treated tail gas enters the second opening and then is sent out from the first flue gas outlet.
Further, the method also comprises the following steps:
primary aggregate drying process: the inner cylinder rotates synchronously with the outer cylinder, the primary aggregate enters the inner cylinder through the primary aggregate inlet, the primary aggregate sequentially passes through the flame sections of the inner cylinder and the outer cylinder and then is sent out from the primary aggregate outlet, the flame of the burner directly heats the primary aggregate in the flame sections, hot flue gas generated by the burner enters the inner cylinder through the first opening to heat the primary aggregate, and tail gas is sent out through the first flue gas outlet of the second opening;
the primary aggregate drying process and the recycled aggregate drying process are carried out synchronously.
According to the description of the invention, compared with the prior art, the double-layer original recycled aggregate integrated drying equipment provided by the invention realizes original aggregate drying operation and recycled aggregate drying operation through one set of equipment; the structure of the inner cylinder and the outer cylinder realizes the separation of tail gas containing organic waste gas and tail gas without organic waste gas, and tail gas containing organic waste gas generated by drying the recycled aggregate is combusted in the internal circulation process of the equipment, so that the tail gas emission is ensured to reach the standard, and a dust remover is protected; and the tail gas circulation simultaneously realizes the secondary utilization of heat, improves the heat utilization rate and realizes energy conservation and emission reduction.
Drawings
FIG. 1 is a schematic structural diagram of a double-layer original recycled aggregate integrated drying device.
FIG. 2 is a schematic view showing the flow direction of the aggregate and the tail gas according to the present invention.
The labels in the figure correspond to the following: 1. the device comprises an outer cylinder, a flame section 1A, a flue gas section 1B, a flue gas section 11, a third opening 12, a primary aggregate discharge port 13, a primary aggregate return helical blade 14, a primary aggregate flame zone blade 15, a recycled aggregate feed port 16, a recycled aggregate discharge port 17, a second flue gas outlet 18, a recycled aggregate pushing helical blade 19, a recycled aggregate lifting blade 2, an inner cylinder 21, a first opening 22, a second opening 22, a primary aggregate feed port 221, a primary aggregate discharge port 222, a first flue gas outlet 23, a primary aggregate pushing helical blade 24, a primary aggregate lifting blade 25, a primary aggregate discharge blade 3, a burner 4, a primary aggregate feeding belt 5, a primary aggregate feeding chute 6, a recycled aggregate feeding belt 7, a flue gas separation end seat 71, a smoke discharge channel 711, an air damper 72, a smoke return channel 8, a dust remover, a, 9. Smoke returning pipe, 91, induced draft fan.
Detailed Description
The invention is further described below by means of specific embodiments.
Referring to fig. 1 to 2, the double-layer original recycled aggregate integrated drying equipment comprises an outer cylinder 1, an inner cylinder 2, a combustor 3, a primary aggregate feeding belt 4, a primary aggregate feeding chute 5, a recycled aggregate feeding belt 6, a flue gas separation end seat 7 and a dust remover 8.
A primary aggregate feeding hole 221 and a first smoke outlet 222 are arranged in the second opening 22, a primary aggregate feeding belt 4 conveys primary aggregates to the primary aggregate feeding chute 5, one end of the primary aggregate feeding chute 5 extends to the middle of the second opening 22 of the inner cylinder 2 to form the primary aggregate feeding hole 221, the area of the primary aggregate feeding hole 221 is smaller than that of the second opening 22, the second opening 22 outside the primary aggregate feeding hole 221 forms the first smoke outlet 222, a primary aggregate discharging hole 12 is arranged at one end of the flame section 1A of the outer cylinder 1, a primary aggregate pushing helical blade 23, a primary aggregate lifting blade 24 and a primary aggregate discharging blade 25 are sequentially arranged on the inner wall of the inner cylinder 2 from the second opening 22 to the first opening 21, a primary aggregate returning helical blade 13, a primary aggregate discharging helical blade 13 and a primary aggregate discharging hole 12 are sequentially arranged on the flame zone 11 of the outer cylinder 1 from the third opening 11 to the primary aggregate discharging hole 12, The primary aggregate flame zone blades 14 and the primary aggregate return spiral blades 15 receive the primary aggregates sent by the primary aggregate discharge blades 25.
A regenerated aggregate feeding hole 15, a regenerated aggregate discharging hole 16 and a second flue gas outlet 17 are formed in the flue gas section 1B of the outer cylinder 1, the second flue gas outlet 17 is communicated into the flame section 1A through a smoke return pipe 9, a regenerated aggregate feeding belt 6 conveys regenerated aggregates to the regenerated aggregate feeding hole 15, a regenerated aggregate pushing spiral blade 18 and a regenerated aggregate lifting blade 19 are sequentially arranged on the flue gas section 1B of the outer cylinder 1 from the regenerated aggregate feeding hole 15 to the regenerated aggregate discharging hole 16, and the regenerated aggregate discharging hole 16 is located on one side of the primary aggregate returning spiral blade 13 and is located below the inner cylinder 2.
The flue gas separation end seat 7 is arranged at one end of the outer cylinder body 1, the outlet of the flue gas separation end seat 7 is connected to the dust remover 8, the flue gas separation end seat 7 comprises a smoke exhaust channel 71 and a smoke return channel 72 which are mutually separated, the first flue gas outlet 222 is connected to the smoke exhaust channel 71, the second flue gas outlet 17 is connected to the smoke return channel 72, the smoke return channel 9 is connected with the smoke return channel 72 and the flame section 1A, the smoke return channel 9 is provided with an induced draft fan 91, and the smoke exhaust channel 71 is provided with an adjusting air door 711 at the outlet.
A double-layer original recycled aggregate integrated drying method comprises the following steps:
and (3) drying the recycled aggregate: the outer cylinder 1 rotates, the recycled aggregate enters the outer cylinder 1 through a recycled aggregate inlet 15 by a recycled aggregate feeding belt 6, the recycled aggregate passes through a flue gas section 1B of the outer cylinder 1 in the process of rotating along with the outer cylinder 1 and then is sent out from a recycled aggregate outlet 16, and the recycled aggregate is pushed by a helical blade 18 and is stirred by a recycled aggregate lifting blade 19 in the process to form a material curtain; in the process, hot flue gas generated by the combustor 3 enters the flue gas section 1B of the outer cylinder 1 through the third opening 11 to heat the recycled aggregate, and the recycled aggregate contains asphalt components, so that tail gas containing organic waste gas is generated in the heating process, the tail gas containing organic waste gas is sent out from the second flue gas outlet 17 and then reaches the smoke return channel 72 of the flue gas separation end seat 7, and under the action of the draught fan 91, the tail gas containing organic waste gas enters the smoke return pipe 9 and is sent to the flame section 1A of the outer cylinder 1; in the flame section 1A, organic waste gas in tail gas is subjected to combustion treatment by the flame of the combustor 3, a part of the treated tail gas enters the flue gas section 1B again along with hot flue gas from the third opening 11 to heat the recycled aggregate, secondary utilization of heat is realized, the other part of the treated tail gas enters the second opening 22 and then enters the inner cylinder 2, the first flue gas outlet 222 is then fed into the flue gas channel 71 of the flue gas separation end block 7, and then into the dust separator 8 for tail gas treatment, since the organic waste gases and the viscous flue gases in the tail gas have been combusted, plays a certain role in protecting the dust remover 8, for example, avoiding the bag sticking of the bag-type dust remover, in the drying process of the recycled aggregate, the tail gas containing organic waste gas is subjected to combustion treatment by the primary combustor 3, so that harmful components in the tail gas are effectively treated, and qualified tail gas emission is ensured;
primary aggregate drying process: the inner cylinder 2 synchronously rotates along with the outer cylinder 1, the primary aggregate feeding belt 4 feeds primary aggregate into the inner cylinder 2 from a primary aggregate feeding port 221 through a primary aggregate feeding chute 5, the primary aggregate is sequentially sent out from a primary aggregate discharging port 12 after passing through flame sections 1A of the inner cylinder 2 and the outer cylinder 1, namely, the primary aggregate is pushed and turned by a primary aggregate pushing spiral blade 23, a primary aggregate lifting blade 24 and a primary aggregate discharging blade 25, the primary aggregate returned spiral blade 13 receives the primary aggregate sent out by the primary aggregate discharging blade 25, and the primary aggregate is sent out from the primary aggregate discharging port 12 after passing through a flame range of a combustor 3 by a primary aggregate flame zone blade 14; the flame of the burner 3 directly heats the primary aggregate in the flame section 1A, hot flue gas generated by the burner 3 enters the inner cylinder 2 through the first opening 21 to heat the primary aggregate, and tail gas is sent out to the smoke exhaust channel 72 of the smoke separation end seat 7 through the first flue gas outlet 222 of the second opening 22 and then enters the dust remover 8 to be treated; since the primary aggregate does not contain asphalt components, the tail gas generated by drying the primary aggregate is mainly dust tail gas and can be effectively removed by the dust remover 8.
The primary aggregate drying process and the recycled aggregate drying process are carried out synchronously, so that in the recycled aggregate drying process, the part of the treated tail gas entering the inner cylinder body 2 from the second opening 22 also realizes secondary utilization of heat.
The equipment can also only carry out a recycled aggregate drying process or only carry out a primary aggregate drying process.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (10)
1. The utility model provides an integrative drying equipment of former regeneration aggregate of double-deck, includes outer barrel, interior barrel, combustor, interior barrel is located the urceolus and internal and along with outer barrel synchronous rotation, its characterized in that: the combustor with outer barrel both ends are located respectively to interior barrel, and outer barrel includes flame section and flue gas section, and the flame scope of combustor forms in outer barrel the flame section, interior barrel is located the flue gas section, first opening has been seted up at the one end of interior barrel towards the flame section, and the other end is equipped with the second opening, form the third opening between the first opening of interior barrel to the internal wall of urceolus, the flue gas can be got into by first opening and third opening, be equipped with in the second opening at native aggregate feed inlet, first exhanst gas outlet, be equipped with regeneration aggregate feed inlet, regeneration aggregate discharge gate, second exhanst gas outlet on the flue gas section of outer barrel, the second exhanst gas outlet communicates to in the flame section through the return smoke pipe.
2. The integrated drying equipment for the double-layer original recycled aggregate according to claim 1, which is characterized in that: still include flue gas separation end socket, dust remover, outer barrel one end is located to the flue gas separation end socket, and the exit linkage of flue gas separation end socket is to the dust remover, flue gas separation end socket includes alternate segregation's exhaust passage and returns the cigarette passageway, first exhanst gas outlet is connected to exhaust passage, second exhanst gas outlet is connected to and returns the cigarette passageway, return the cigarette passageway and flame section in the connection of cigarette pipe, be equipped with the draught fan on the cigarette pipe.
3. The integrated drying equipment for the double-layer original recycled aggregate according to claim 2, characterized in that: and the smoke exhaust channel is provided with an air adjusting door at an outlet.
4. The integrated drying equipment for the double-layer original recycled aggregate according to claim 1, which is characterized in that: the length of the inner cylinder is shorter than that of the outer cylinder.
5. The integrated drying equipment for the double-layer original recycled aggregate according to claim 1, which is characterized in that: still include primary aggregate feeding belt, primary aggregate feeding downward slope, primary aggregate feeding belt carries primary aggregate to primary aggregate feeding downward slope, primary aggregate feeding downward slope one end extends to the second opening middle part of interior barrel and forms the primary aggregate feed inlet, and primary aggregate feed inlet area is less than second opening area, makes the outer second opening part of primary aggregate feed inlet form first exhanst gas outlet, outer barrel is equipped with the primary aggregate discharge gate in the one end of flame section.
6. The integrated drying equipment for the double-layer original recycled aggregate according to claim 5, characterized in that: the inner wall of the inner cylinder body is sequentially provided with a primary aggregate pushing spiral blade, a primary aggregate lifting blade and a primary aggregate discharging blade from the second opening to the first opening, the flame zone of the outer cylinder body is sequentially provided with a primary aggregate returning spiral blade and a primary aggregate flame zone blade from the third opening to the primary aggregate discharging opening, and the primary aggregate returning spiral blade receives primary aggregate sent by the primary aggregate discharging blade.
7. The integrated drying equipment for the double-layer original recycled aggregate according to claim 5, characterized in that: the recycled aggregate discharge port is positioned on one side of the primary aggregate returning helical blade and below the inner cylinder.
8. The integrated drying equipment for the double-layer original recycled aggregate according to claim 1, which is characterized in that: still include regeneration aggregate feeding belt, regeneration aggregate feeding belt carries regeneration aggregate to regeneration aggregate feed inlet, set gradually regeneration aggregate propelling movement helical blade, regeneration aggregate lifting blade on the flue gas section of outer barrel from regeneration aggregate feed inlet to regeneration aggregate discharge gate within a definite time.
9. An integrated drying method for double-layer original recycled aggregate, which is based on any one of claims 1 to 8, and is characterized in that: the method comprises the following steps:
and (3) drying the recycled aggregate: the outer cylinder rotates, the recycled aggregate enters the outer cylinder through a recycled aggregate inlet, and the recycled aggregate passes through a smoke section of the outer cylinder along with the rotation process of the outer cylinder and then is sent out from a recycled aggregate outlet; in the process, hot flue gas generated by the combustor enters the flue gas section of the outer cylinder through the third opening to heat the recycled aggregate, and the recycled aggregate contains asphalt components, so that tail gas containing organic waste gas is generated in the heating process, and the tail gas containing the organic waste gas is sent out from the second flue gas outlet, enters the smoke return pipe and is sent to the flame section of the outer cylinder; at the flame section, organic waste gas in the tail gas is subjected to combustion treatment by the flame of the combustor, a part of the treated tail gas enters the flue gas section again from the third opening along with hot flue gas to heat the regenerated aggregate, so that secondary utilization of heat is realized, and a part of the treated tail gas enters the second opening and then is sent out from the first flue gas outlet.
10. The integrated drying method of the double-layer original recycled aggregate according to claim 9, characterized in that: further comprising:
primary aggregate drying process: the inner cylinder rotates synchronously with the outer cylinder, the primary aggregate enters the inner cylinder through the primary aggregate inlet, the primary aggregate sequentially passes through the flame sections of the inner cylinder and the outer cylinder and then is sent out from the primary aggregate outlet, the flame of the burner directly heats the primary aggregate in the flame sections, hot flue gas generated by the burner enters the inner cylinder through the first opening to heat the primary aggregate, and tail gas is sent out through the first flue gas outlet of the second opening;
the primary aggregate drying process and the recycled aggregate drying process are carried out synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032683.4A CN111121421A (en) | 2020-01-13 | 2020-01-13 | Double-layer original recycled aggregate integrated drying equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032683.4A CN111121421A (en) | 2020-01-13 | 2020-01-13 | Double-layer original recycled aggregate integrated drying equipment and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111121421A true CN111121421A (en) | 2020-05-08 |
Family
ID=70488265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010032683.4A Pending CN111121421A (en) | 2020-01-13 | 2020-01-13 | Double-layer original recycled aggregate integrated drying equipment and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111121421A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203144867U (en) * | 2013-02-01 | 2013-08-21 | 福建南方路面机械有限公司 | Bituminous mixture drying drum |
| CN103277992A (en) * | 2013-06-08 | 2013-09-04 | 福建南方路面机械有限公司 | Aggregate drying device |
| CN203349625U (en) * | 2013-06-08 | 2013-12-18 | 福建南方路面机械有限公司 | Aggregate drying equipment in concrete mixing system |
| CN105926415A (en) * | 2016-06-12 | 2016-09-07 | 福建南方路面机械有限公司 | Asphalt recycling drying drum and drying method thereof |
| CN109868707A (en) * | 2019-04-08 | 2019-06-11 | 福建南方路面机械有限公司 | A kind of original recycled aggregate drying equipment integral system and method |
| CN209490591U (en) * | 2019-01-24 | 2019-10-15 | 福建铁拓机械有限公司 | A kind of asphalt mixture heat regeneration exhaust gas processing device |
| CN211601416U (en) * | 2020-01-13 | 2020-09-29 | 福建南方路面机械股份有限公司 | Integrative drying equipment of former recycled aggregate of double-deck |
-
2020
- 2020-01-13 CN CN202010032683.4A patent/CN111121421A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203144867U (en) * | 2013-02-01 | 2013-08-21 | 福建南方路面机械有限公司 | Bituminous mixture drying drum |
| CN103277992A (en) * | 2013-06-08 | 2013-09-04 | 福建南方路面机械有限公司 | Aggregate drying device |
| CN203349625U (en) * | 2013-06-08 | 2013-12-18 | 福建南方路面机械有限公司 | Aggregate drying equipment in concrete mixing system |
| CN105926415A (en) * | 2016-06-12 | 2016-09-07 | 福建南方路面机械有限公司 | Asphalt recycling drying drum and drying method thereof |
| CN209490591U (en) * | 2019-01-24 | 2019-10-15 | 福建铁拓机械有限公司 | A kind of asphalt mixture heat regeneration exhaust gas processing device |
| CN109868707A (en) * | 2019-04-08 | 2019-06-11 | 福建南方路面机械有限公司 | A kind of original recycled aggregate drying equipment integral system and method |
| CN211601416U (en) * | 2020-01-13 | 2020-09-29 | 福建南方路面机械股份有限公司 | Integrative drying equipment of former recycled aggregate of double-deck |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206001444U (en) | A kind of biomass particle burning machine | |
| CN108708250B (en) | Full regeneration facility of old and useless asphalt mixture | |
| CN211601416U (en) | Integrative drying equipment of former recycled aggregate of double-deck | |
| CN205606589U (en) | Mud distillation pyrolysis incinerator | |
| CN109987813A (en) | Oily sludge pyrolysis treatment systems | |
| CN217092897U (en) | Dry-process denitration equipment | |
| CN110373971B (en) | Heating device capable of adding asphalt reclaimed materials | |
| CN111121421A (en) | Double-layer original recycled aggregate integrated drying equipment and method | |
| CN105805765A (en) | Sludge pyrolytic incineration furnace | |
| CN207159104U (en) | A kind of aerobic fermentation device of rubbish from cooking | |
| CN205383607U (en) | Rubbish is ashless to burn burning furnace | |
| CN209502544U (en) | Thermal desorption device | |
| CN208395615U (en) | A kind of environment-friendly type bituminous mixing plant | |
| CN210104492U (en) | Hot reclaimed material heating device of plantmix | |
| CN106642140B (en) | Vehicle-mounted waste processing system | |
| CN206191600U (en) | Vehicle -mounted garbage processing system | |
| CN205560779U (en) | Pyrolysis incineration equipment | |
| CN109237788A (en) | A kind of boiler that can be cleaned automatically | |
| CN109855104A (en) | A kind of agitating device of sludge incinerator | |
| CN212618325U (en) | Waste incineration system | |
| CN209891000U (en) | Old asphalt mixture regenerative heating device | |
| CN108571729A (en) | A kind of refuse burning system | |
| CN211226871U (en) | Sludge blending combustion system of thermal power plant | |
| CN216079812U (en) | Garbage pyrolysis furnace with high-temperature air supply system | |
| CN205914509U (en) | Incineration fly ash's treatment facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |